/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1980, 1986, 1993
#include <sys/socketvar.h>
#include <sys/domain.h>
#include <sys/protosw.h>
+#include <kern/locks.h>
#include <net/raw_cb.h>
struct rawcb_list_head rawcb_list;
-static u_long raw_sendspace = RAWSNDQ;
-static u_long raw_recvspace = RAWRCVQ;
+static uint32_t raw_sendspace = RAWSNDQ;
+static uint32_t raw_recvspace = RAWRCVQ;
+extern lck_mtx_t *raw_mtx; /*### global raw cb mutex for now */
/*
* Allocate a control block and a nominal amount
* of buffer space for the socket.
*/
int
-raw_attach(so, proto)
- register struct socket *so;
- int proto;
+raw_attach(struct socket *so, int proto)
{
- register struct rawcb *rp = sotorawcb(so);
+ struct rawcb *rp = sotorawcb(so);
int error;
/*
* after space has been allocated for the
* rawcb.
*/
- if (rp == 0)
- return (ENOBUFS);
+ if (rp == 0) {
+ return ENOBUFS;
+ }
error = soreserve(so, raw_sendspace, raw_recvspace);
- if (error)
- return (error);
+ if (error) {
+ return error;
+ }
rp->rcb_socket = so;
- rp->rcb_proto.sp_family = so->so_proto->pr_domain->dom_family;
- rp->rcb_proto.sp_protocol = proto;
+ rp->rcb_proto.sp_family = (uint16_t)SOCK_DOM(so);
+ rp->rcb_proto.sp_protocol = (uint16_t)proto;
+ lck_mtx_lock(raw_mtx);
LIST_INSERT_HEAD(&rawcb_list, rp, list);
- return (0);
+ lck_mtx_unlock(raw_mtx);
+ return 0;
}
/*
* socket resources.
*/
void
-raw_detach(rp)
- register struct rawcb *rp;
+raw_detach(struct rawcb *rp)
{
struct socket *so = rp->rcb_socket;
so->so_pcb = 0;
+ so->so_flags |= SOF_PCBCLEARING;
sofree(so);
+ if (!lck_mtx_try_lock(raw_mtx)) {
+ socket_unlock(so, 0);
+ lck_mtx_lock(raw_mtx);
+ socket_lock(so, 0);
+ }
LIST_REMOVE(rp, list);
+ lck_mtx_unlock(raw_mtx);
#ifdef notdef
- if (rp->rcb_laddr)
+ if (rp->rcb_laddr) {
m_freem(dtom(rp->rcb_laddr));
+ }
rp->rcb_laddr = 0;
#endif
- FREE((caddr_t)(rp), M_PCB);
+ rp->rcb_socket = NULL;
+ FREE(rp, M_PCB);
}
/*
* Disconnect and possibly release resources.
*/
void
-raw_disconnect(rp)
- struct rawcb *rp;
+raw_disconnect(struct rawcb *rp)
{
+ struct socket *so = rp->rcb_socket;
#ifdef notdef
- if (rp->rcb_faddr)
+ if (rp->rcb_faddr) {
m_freem(dtom(rp->rcb_faddr));
+ }
rp->rcb_faddr = 0;
#endif
- if (rp->rcb_socket->so_state & SS_NOFDREF)
+ /*
+ * A multipath subflow socket would have its SS_NOFDREF set by default,
+ * so check for SOF_MP_SUBFLOW socket flag before detaching the PCB;
+ * when the socket is closed for real, SOF_MP_SUBFLOW would be cleared.
+ */
+ if (!(so->so_flags & SOF_MP_SUBFLOW) && (so->so_state & SS_NOFDREF)) {
raw_detach(rp);
+ }
}
#ifdef notdef
#include <sys/mbuf.h>
int
-raw_bind(so, nam)
- register struct socket *so;
- struct mbuf *nam;
+raw_bind(struct socket *so, struct mbuf *nam)
{
struct sockaddr *addr = mtod(nam, struct sockaddr *);
- register struct rawcb *rp;
+ struct rawcb *rp;
- if (ifnet == 0)
- return (EADDRNOTAVAIL);
+ if (ifnet == 0) {
+ return EADDRNOTAVAIL;
+ }
rp = sotorawcb(so);
nam = m_copym(nam, 0, M_COPYALL, M_WAITOK);
+ if (nam == NULL) {
+ return ENOBUFS;
+ }
rp->rcb_laddr = mtod(nam, struct sockaddr *);
- return (0);
+ return 0;
}
#endif
projects / apple / xnu.git / blobdiff